Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8760042 | Lighting device having a through-hole and a groove portion formed in the thermally conductive main body | Makoto Sakai, Shigeru Osawa, Takeshi Hisayasu, Kazuto Morikawa, Tomohiro Sanpei +1 more | 2014-06-24 |
| 8664857 | Lighting device | Nobuhiko Betsuda, Takumi Suwa, Hitoshi Kawano, Akiko Saito, Makoto Bessho +3 more | 2014-03-04 |
| 8641232 | Light emitting device and illumination apparatus | Seiko Kawashima, Yuichiro Takahara, Kazuya Kondo, Hiroki Tamai, Haruki Takei +1 more | 2014-02-04 |
| 8569786 | Light emitting device and illumination device | Haruki Takei, Seiko Kawashima, Masahiro Izumi, Akiko Saito, Tsuyoshi Oyaizu | 2013-10-29 |
| 8567990 | Light emitting diode (LED) bulb | Nobuhiko Betsuda, Takumi Suwa, Hitoshi Kawano, Akiko Saito, Makoto Bessho +3 more | 2013-10-29 |
| 8427059 | Lighting device | Nobuhiko Betsuda, Takumi Suwa, Hitoshi Kawano, Akiko Saito, Makoto Bessho +3 more | 2013-04-23 |
| D679667 | Light emitting diode module | Tsutomu Araki, Takuro Hiramatsu, Takeshi Hisayasu | 2013-04-09 |
| 8408724 | Light source module and lighting apparatus | Kozo Ogawa, Kiyoshi Nishimura, Seiko Kawashima, Tsuyoshi Oyaizu, Haruki Takei | 2013-04-02 |
| 8395304 | Lamp and lighting equipment with thermally conductive substrate and body | Takeshi Hisayasu, Kazuto Morikawa | 2013-03-12 |
| 8324789 | Self-ballasted lamp and lighting equipment | Takeshi Hisayasu, Kazuto Morikawa, Makoto Sakai, Tomohiro Sanpei | 2012-12-04 |
| D662479 | Light emitting diode module | Shigeru Osawa, Yuichiro Takahara, Tsutomu Araki | 2012-06-26 |
| D636899 | Light emitting diode module | — | 2011-04-26 |
| D625694 | Light emitting diode module | Kazuto Morikawa, Akimichi Takahashi | 2010-10-19 |
| D624889 | Light emitting diode module | Akimichi Takahashi, Kazuto Morikawa, Kozo Ogawa | 2010-10-05 |
| D624887 | Light emitting diode module | Akimichi Takahashi, Kazuto Morikawa, Kozo Ogawa | 2010-10-05 |
| D624888 | Light emitting diode module | Akimichi Takahashi, Kazuto Morikawa, Kozo Ogawa | 2010-10-05 |
| 7443092 | Fluorescent lamp including a multi-ringed bulb | Ichiro Yamada, Naoyuki Toda, Kiyoshi Nishimura, Kiyoshi Ootani, Masahiko Yoshida | 2008-10-28 |
| 7339314 | Multi-ringed fluorescent lamp and lighting apparatus utilizing same | Masahiko Yoshida | 2008-03-04 |
| 7285899 | Fluorescent lamp having bent portions and its manufacturing method, and illuminating apparatus including the lamp | Kiyoshi Nishimura, Miho Watanabe, Kiyoshi Ootani, Ichiro Yamada, Takashi Yorifuji +4 more | 2007-10-23 |
| 6417615 | Fluorescent lamp with auxiliary amalgam secured to single lead wire | Takeo Yasuda, Mamoru Ikeda, Junji Hasegawa, Hidenori Ito, Fuminori Nakaya +2 more | 2002-07-09 |